View file public/assets/css/prettify.css

.prettyprint .com { color: #93a1a1; }
.prettyprint .lit { color: #F60; }
.prettyprint .pun, .prettyprint .opn, .prettyprint .clo { color: #93a1a1; }
.prettyprint .fun { color: #dc322f; }
.prettyprint .str { color: #D14; }
.prettyprint .atv { color: #d44950; }
.prettyprint .kwd, .prettyprint { color: #0A8; }
.prettyprint .tag { color: #2f6f9f; }
.prettyprint .typ, .prettyprint .dec, .prettyprint .var { color: teal; }
.prettyprint .atn { color: #4f9fcf; }
.prettyprint .pln { color: #069; }

pre.prettyprint code {
  padding: 0;
  margin: 0;
  border: none;
  display: block;
  white-space: pre;
}

pre.prettyprint, code.prettyprint {
  overflow: auto;
  word-wrap: normal;
  tab-size: 2;
  display: block;
}

.prettyprint {
  padding: 8px;
  background-color: #f7f7f9;
  border: 1px solid #e1e1e8;
}
.prettyprint.linenums {
  padding: 0;
}

/* Specify class=linenums on a pre to get line numbering */
.prettyprint ol.linenums {
  padding: 8px 8px 8px 48px;
  margin: 0;
  -webkit-box-shadow: inset 40px 0 0 #fbfbfc, inset 41px 0 0 #ececf0;
     -moz-box-shadow: inset 40px 0 0 #fbfbfc, inset 41px 0 0 #ececf0;
          box-shadow: inset 40px 0 0 #fbfbfc, inset 41px 0 0 #ececf0;
}

.prettyprint ol.linenums li {
  color: #bebec5;
  line-height: 18px;
  text-shadow: 0 1px 0 #fff;
}